The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2002
Filed:
Aug. 19, 1998
Benecke-Kaliko AG, Hannover, DE;
Abstract
The invention concerns a multi-colored composite foil ( ) of thermoplastic synthetic material and a method and a device for its manufacture. The device according to the invention comprises a first extruder device ( ) with a first forming tool ( ), whereby the extruder device produces a first plastified synthetic material melt and extrudes same by the first forming tool in order to manufacture a carrier foil or carrier layer ( ) with a first color ( ) and with a depression. The device can, furthermore, comprise at least one second extruder device ( ) with a second forming tool, whereby the second extruder device produces a plastified synthetic material melt and extrudes same by means of the forming tool in order to produce a top foil or top layer ( ), which has a second color and which fits, surface-flush, into the depression of the carrier layer or carrier foil. The device according to the invention has, in addition, a calender ( ) which joins the carrier foil, surface-flush, with the top foil fitted into the depression of the carrier foil under the influence of pressure and heat and which flattens out the produced surface.